NASA Connect Video containing four segments as described below. NASA Connect segment exploring the research and study efforts applied towards acoustics and noise, especially that related to aircraft. The segment also explains the study of psychological effects of noise on people. NASA Connect segment featuring a panel of two experts from NASA that answer students' questions by phone and email. The questions pertain to aircraft and noise reduction. NASA Connect segment exploring all the basics of sound including how it works and how it travels. The video also explains how the ear works. NASA Connect segment involving students in an activity called the Speed of Sound. The students investigate how sound waves travel at different speeds under various conditions.